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    <h3>今天是个好日子</h3>
    <p>马上就放假了，可以睡个好觉了</p>
    <ul>
      <li>你开心嘛</li>
      <li>你快乐嘛</li>
      <li>你懊恼嘛</li>
      <li>你兴奋嘛</li>
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